382 BULLETIN 15 3, UNITED STATES NATIONAL MUSEUM 



clieeks bufFy white, and the variation in the grayish or brownish tone 

 of the upperparts is clearly not geographic but individual in nature. 

 Inasmuch as this species is uncommon in collections, I give (table 74) 

 the measurements of the present 33 specimens. 



Table 74. — Measurements of 33 specimens of Plocepasser donaldsoni from Kenya 



Colony 



A few of these specimens, taken in June and July, are in molt; 

 most of the others are in fresh plumage; a few, June and July, 

 are abraded. 



On July 2, Mearns shot a mated pair. Lonnberg found the species 

 in breeding condition early in July on the Lekiundu River. 



One of the males collected at the Lekiundu River was "fighting a 

 dead puff adder," according to Mearns's notes. 



Mearns noted 1,500 of these birds at Chaffa villages, June 23-25; 

 at Dussia, July 1-4, 1,000 were seen; east of Lake Rudolf, July 5-8, 



